Where does “積極的” come from?

積極的 (Japanese) comes from Japanese 積極, from Japanese 的, from Ancient Greek -τικός, from Ancient Greek -σις, from Ancient Greek -τις, from Proto-Indo-European -tis — Derives abstract/action nouns from verb roots.

積極的 (Japanese): proactive, positive, active, constructive

Definitions

  1. proactive, positive, active, constructive

Ancestry of “積極的”, step by step

StepLanguageWordMeaning
1Japanese積極progressiveness
2Japanese-ive, -like, -ish, -ic, -ical, -y, kind of, sort...
3Ancient Greek-τικόςrelating to, suited to, skilled in, able to,...
4Ancient Greek-σιςAdded to verb stems to form abstract nouns or...
5Ancient Greek-τιςretained after dentals
6Proto-Indo-European-tisDerives abstract/action nouns from verb roots
Every word from Proto-Indo-European -tisEvery word from Ancient Greek -τικόςEvery word from Ancient Greek -σις